, playing the president obama role in romney's debate prep. now we know where the two of them, both candidates, will be after the debate, the morning after. romney and ryan, a joint appearance in virginia. president obama will remain in colorado and he'll also be in wisconsin on thursday. >> all right, tracie potts, thank you. >>> laying down the law. today the supreme court kicks off its new term with a slate of crucial and controversial decisions in the works. on the docket, affirmative action and consideration for race in college admissions. voting rights as well as deciding whether to require federal oversight of states with ray history of voting discrimination. the nine supreme court justices will also consider a variety of challenges to the defense of marriage act. the law states the federal government will only recognize traditional marriages. that means no federal benefits, even where same-sex marriage is considered legal. >> couples are denied hundreds of different rights and benefits that are provided to married different sex couples